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selpaqm's avatar
selpaqm
Helper V
6 years ago
Solved

Containstring takes ages

Hi,   i have a calculated column contains containstring. it works however each refresh take hours with more than 1000 rows. normally my table has more than 400k rows. so is there any way to speed i...
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  • mwegener's avatar
    mwegener
    6 years ago

    Hi selpaqm ,

     

    I once created a Power Query prototype here. The merging between the two tables can possibly still be optimized.

    See attachement.

selpaqm's avatar
selpaqm
Helper V
6 years ago

mwegener thanks for your work. I think I have trouble on added custom1 (true false contain section) it gives below error.

 

Expression.Error: We cannot apply operator & to types Number and Text. Details: Operator=& Left=2030691335 Right=
mwegener's avatar
mwegener
Most Valuable Professional
6 years ago

Hi selpaqm ,

 

you are trying to combine a text with a number. Both values must first be converted to the data type text.

 

  • selpaqm's avatar
    selpaqm
    Helper V
    6 years ago

    Hi mwegener ,

     

    thanks for the solution, I realized and fixed it. waiting to calculation ending, seems all contain column as "FALSE". after calculation hope it will be ok.